Atlas/KNEE LOCKS/Z-Lock

Knee locks·Knee joint (MCL, LCL, meniscus) · Gi & no-gi

Z-Lock.

Knee compression attack using Z-shaped leg configuration

// Z-LOCK

9

DANGER / 10

Risk level

High

knee joint (mcl, lcl, meniscus)

Tap urgency

Immediate

tap response

Difficulty

4

/ 5 — setup

Danger level

9

/ 10

Positions

32

entry points

Perm. damage

Yes

irreversible risk

//01—About this submission

What it is

Knee compression attack using Z-shaped leg configuration

What you do

The step-by-step execution breakdown lives in the app — mechanics, tips, and the full entry sequence.

Open1submission detailin the App Store↗

//02—Stats breakdown

Setup complexity

4/10

Learning priority

2/10

Escapability

1/10

Versatility

2/10

Danger level

9/10

//03—IBJJF belt legality

WHITE — ILLEGALBLUE — ILLEGALPURPLE — LEGALBROWN — LEGALBLACK — LEGAL

//05—Entries by position

32 ways in.

All32entriesin the App Store↗

Leg locked, head controlled - twister, calf slicer, back take

13 ↗ transitionsControlling

Facing their legs, heavy pressure - attack legs, take back

12 ↗ transitionsControlling

Reap clamp control leg attacks

15 ↗ transitionsGuarding

Reverse Outside Ashi

Reversed control - heel hooks from different angle

18 ↗ transitionsEntangling

Reverse Ashi Garami

Outside control - reverse heel hooks and ankle locks

17 ↗ transitionsEntangling

Outside Sankaku

Triangle locked - heel hooks and knee bars

7 ↗ transitionsEntangling

Outside Ashi Garami

Outside wrap - ankle locks and mobile attacks

12 ↗ transitionsEntangling

Inside Ashi Garami

Inside position - heel hooks and ankle locks

12 ↗ transitionsEntangling

Double Outside Ashi

Both legs trapped - heel hooks on either side

11 ↗ transitionsEntangling

Cross Ashi Garami

Legs crossed - heel hooks with strong control

15 ↗ transitionsEntangling

Leg trapped - straight ankle locks and position advancement

20 ↗ transitionsEntangling

50/50 Knee Clear

Knee cleared - heel hooks with better angles

16 ↗ transitionsEntangling

Inside position - heel hooks and entanglement advancement

17 ↗ transitionsEntangling

Inside Sankaku Finish

Triangle their leg - heel hook or knee bar

16 ↗ transitionsEntangling

Outside leg over thigh - off-balance, heel and back threats

7 ↗ transitionsEntangling

Attack with crossed entanglement and heel hooks

15 ↗ transitionsGuarding

Backside Single-Leg X

Behind leg control - attack legs, take back

16 ↗ transitionsGuarding

Behind control with leg attacks

9 ↗ transitionsGuarding

Elevate and sweep from leg control

23 ↗ transitionsGuarding

Reverse Kesa Gatame

Facing their legs, control arm - attack legs, take back

14 ↗ transitionsControlling

Reverse De La Riva

Reverse hook control - sweeps to back exposure

21 ↗ transitionsGuarding

RDLR Knee-Shield Hybrid

RDLR hook knee shield control

10 ↗ transitionsGuarding

Kneebar Control

Straight-leg clamp - kneebar with ashi and back-take exits

14 ↗ transitionsEntangling

Backside K-Guard

Hook behind leg - back takes, guard entries

13 ↗ transitionsGuarding

Reverse Half Guard

Face away half guard control

13 ↗ transitionsGuarding

Headquarters Guard

Distance managed while transitioning guard systems

32 ↗ transitionsGuarding

Deep Half Lockdown

Lockdown legs - sweep and back take

8 ↗ transitionsGuarding

Shin frame active - prevent pressure, sweep

15 ↗ transitionsGuarding

Switch guard types while attacking sweeps and submissions

29 ↗ transitionsGuarding

Angle shifts and mobility for retention

19 ↗ transitionsGuarding

Knee shield active with sweep angles

22 ↗ transitionsGuarding

Fighting to free trapped leg and pass

32 ↗ transitionsGuarding

// Z-Lock · Knee locks

Drill it.
Log it. Track the tap rate.

Open Z-Lock in Grapla to add it to your drilling queue, log every attempt, and watch your finish rate move over the next 30 days.

Download on the